Button Functions
Button name
Descriptions
OK/Record
(push button in)
1. Short press to begin recording or to take photos (depending on
current mode).
2. Short press to select items when in menu.
3. Short press Play/Pause videos when in playback mode.
Down
1. Scroll down through menu functions.
2. Press and hold to ZOOM OUT in video/photo mode.
3. Decrease the volume when in playback mode.
Up
1. Scroll up through menu functions.
2. Press and hold to ZOOM IN in video/photo.
3. Increase the volume when in playback mode.
Left
1. Switch between IR AUTO, IR OFF, and IR ON when in
video/photo mode.
2. Fast rewind video when in playback mode.
4-Direction
Button
Right
1. Turn LCD Screen ON/OFF in video/photo mode.
2. Fast forward video when in playback mode.
MODE Button
Switch between VIDEO, PHOTO AND PLAYBACK modes and their
corresponding menus.
Power Button
Power MDVR-HDV4 ON and OFF
Menu button
1. Enter, select and exit menu,
2. Short press can lock/unlock video files.
Light Indictors
：
Name Description
Red LED indicates device is charging; LED will turn off when charged.
LED
indicator
Green LED indicates device is powered on.
